
Get the right contractors the first time
Proven cost effective provider of complete Piping, Process Piping, Plumbing, HVAC, Service and Fire
Suppression projects
- Industrial / Power Plants / Refineries
- Automotive
- Waste and Water Treatment
- Healthcare
- Data Centers
- Laboratory, Research and Development, Pharmaceutical
- Educational – University / Science and Technology / K-12
- Commercial – High-Rise Offices / Hotels / Casinos
Experienced Builders With Engineering & CAD Capabilities
Proven cost effective Leader in Design Build, Integrated Project Delivery (IPD), Design Assist and Team Construction
Projects
- Leader in 3D design and Building Information Modeling (BIM)
- Over 20 Mechanical Engineers, Professional Engineers and Designers
- Professional registrations in eight states
- LEED Accredited Professionals
- 3D Project Integration Managers
- Building Commissioning Agents
- Energy Modeling and Life Cycle Cost Analysis capabilities
- Complete HVAC, plumbing and process mechanical engineering services capabilities
- Value Engineering Analysis capabilities
- Building Design / Operation Evaluations capabilities

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The John E. Green Company was founded in 1909 and is a well-respected mechanical contractor, consistently rated as one of the largest, most diversified, full-service union mechanical, fire protection, and service contractors operating in the United States, specializing in the Automotive, Commercial, Education, Government, Food Service, Healthcare, Industrial, Municipal, Pharmaceutical, and Resort/Entertainment industries.